Journal
PARKINSONISM & RELATED DISORDERS
Volume 88, Issue -, Pages 116-128Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.parkreldis.2021.05.026
Keywords
Movement disorders; Chorea; Lupus anticoagulant; SLE
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The recognition and characterization of movement disorders associated with systemic autoimmune diseases is an area that remains largely unexplored, beyond the classic associations such as chorea and antiphospholipid syndrome. However, these movement disorders are mostly treatable and can respond to immunotherapy or dietary modifications. Further research is needed to better understand the clinical features, diagnostic tools, and treatment outcomes in this field.
With the advances in neuroimmunology especially due to the discovery of new neuronal antibodies, the recognition of treatable antibody-related movement disorders has recently received much attention. In contrast, the identification and characterisation of movement disorders associated with systemic autoimmune diseases remains a substantially unexplored area. Beyond the classic few associations such as chorea and antiphospholipid syndrome, or ataxia and coeliac disease, movement disorders have been reported in association with several systemic autoimmune diseases, however a clear image of clinical phenotypes, investigations, and treatment outcomes in these conditions has never been drawn. In this review, we analyse data from approximately 300 cases and summarise the epidemiological, clinical and diagnostic features of movement disorders associated with systemic autoimmune diseases, and the available knowledge about treatment and outcomes. We highlight that movement disorders in systemic autoimmune conditions are frequently the only or among a few presenting manifestations and are mostly treatable disorders responding to immunotherapy or dietary modifications. We point out the pertinent combination of clinical features and investigations which can suggest the underlying autoimmune nature of these movement disorders, and thus address the most appropriate treatment.
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